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S.V. John Lethbridge 08/04/2015 Survey Vessel The S.V . John Lethbridge combines the best in navigation, communications and survey equipment. The vessel is equipped to undertake Oceanographic and Geophysical survey operations and incorporates a 6000 metre depth rated dual frequency side scan sonar system, an EA 600 single beam hydrographic echo sounder and a hull mounted IXBlue Posidonia USBL transducer to ensure subsea positioning to a high degree of accuracy. The vessel is equipped with a 6000 metre depth rated SubAtlantic Comanche work class ROV complete with an array of sensors, manipulators and high-resolution cameras. Deep Ocean Search LTD - C/O Cim Corporate Services LTD - Les Cascades Building, Edith Cavell Street - Port Louis - Mauritius 1 Missions Seafloor Mapping Wreck Search Wreck Recovery Plane Crash Research Pipeline Survey Installation Inspection Route Clearance Information IMO: 6525131 Built: 1965 Class: R.V. Loyds 100A1LMC Flag: Panama Official: 32312 PEXT-1 Specifications Gross tonnage: 1835ton Net Tonnage: 549mt Length o.a: 74,83m Length b.p: 65,38m Draught LL: 4,997m Total deck: 350sqm Covered deck: 84sqm ROV deck: 96sqm Working deck: 180sqm Accommodations: 39 pers. Single cabins: 15 Double cabins: 12 S.V. JOHN LETHBRIDGE Ultra Deep Survey Vessel

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  • S.V. John Lethbridge 08/04/2015

    Survey Vessel The S.V. John Lethbridge combines the best in navigation, communications and survey equipment.

    The vessel is equipped to undertake Oceanographic and Geophysical survey operations and incorporates a 6000 metre depth rated dual frequency side scan sonar system, an EA 600 single beam hydrographic echo sounder and a hull mounted IXBlue Posidonia USBL transducer to ensure subsea positioning to a high degree of accuracy. The vessel is equipped with a 6000 metre depth rated SubAtlantic Comanche work class ROV complete with an array of sensors, manipulators and high-resolution cameras.

    Deep Ocean Search LTD - C/O Cim Corporate Services LTD - Les Cascades Building, Edith Cavell Street - Port Louis - Mauritius 1

    Missions

    Seafloor MappingWreck SearchWreck RecoveryPlane Crash Research Pipeline SurveyInstallation InspectionRoute Clearance

    Information

    IMO: 6525131Built: 1965Class: R.V. Loyds 100A1LMCFlag: Panama Official: 32312 PEXT-1

    Specifications

    Gross tonnage: 1835ton NetTonnage: 549mtLength o.a: 74,83mLength b.p: 65,38mDraught LL: 4,997mTotal deck: 350sqmCovered deck: 84sqmROV deck: 96sqmWorking deck: 180sqmAccommodations: 39 pers.Single cabins: 15Double cabins: 12

    S.V. JOHN LETHBRIDGE Ultra Deep Survey Vessel

  • S.V. John Lethbridge 08/04/2015

    The vessel is also capable of hosting additional sensors or vehicles, such as AUVs, MBES, high frequency sonars or other units/systems.

    Survey Equipment Ultra deep side scan sonar6000 msw rated dual frequency sonar operating on 30kHz and 100kHz. Ixsea digital mux. Safety recovery device, strobe lights, VHF gonio.

    DVL aided INS positioning.

    Very long range subsea positioning systemIXBlue Posidonia USBL 6000m depth rated (transponder and responder mode).

    Acoustic release. Extremely long-range up to 8,000 m and accurate up to 0.3% of slant range

    Ultra deep Remotely Operated VehicleSubAtlantic Comanche ROV rated to 6000 msw, equipped with 2 Shilling Orion manipulators (7 functions & 5 functions), forward looking sonar, HMI lights, 3 CCD video cameras, stills digital cameras, dredge/jetting unit.

    Fitted with additional link for multi-beam echo sounder or extra sensorsTMS equipped with 200m floating tether, lights, cameras and additional sensors on request.

    Deep Ocean Search LTD - C/O Cim Corporate Services LTD - Les Cascades Building, Edith Cavell Street - Port Louis - Mauritius 2

    Main Engines

    Output: 2381kW / 3218BHP

    Port: GEC Diesel LTDType Ruston 12RK 3C

    Starboard:English Electric Co LTDType Ruston 1H 12 CVSM

    Thrusters

    Bow:White Gill Jet 800HP1800rpm diesel driven Cummins V12 K38M

    Stern:KaMeWa tunnel CPP 500HP1800rpm diesel driven Cummins engine

    Aft:Brunvoll Electric Hydraulic105HP fixed pitchVariable speed

    Generators

    Main engine port: AC 300kW, 415V 50Hz

    Main engine starboard: AC 300kW, 415V 50Hz

    Auxiliary 1Cummins KT 2300 G760HP - 260kW - 325kVA

    Auxiliary 2Cummins NTA 855 G425HP - 200kW - 250kVA

    Auxiliary 3Cummins450HP - 240kW - 300kVA

  • S.V. John Lethbridge 08/04/2015

    Sound velocity probeSVP16 from AML Oceanographic, 6000m rated

    Very long range echo sounderKongsberg Simrad EA600 master station, 9000m rated

    Motion Reference UnitAttitude sensor IXBlue Octans III is a subsea survey grade gyrocompass and complete motion sensor for depths to 6,000 m. Based on FOG technology, it outputs true heading, roll, pitch, surge, sway, heave, speed and acceleration.

    Deep Ocean Search LTD - C/O Cim Corporate Services LTD - Les Cascades Building, Edith Cavell Street - Port Louis - Mauritius 3

    Fuel Consumption

    On Port: 1t/dayTransit eco: 4t/day @ 7.5kntTransit full spd: 5t/day @ 9kntOps sonar: 3.5t/day @max dptOps ROV: 4t/day

    Capacities

    Speed: 9 knotsService: 7.5 knotsFresh water: 86 tonFuel: 220 ton*Water prod: 10ton/day**

    Notes:

    *140 ton usable during ROV operation for stability reasons

    **No drinking water to be made within 25nm from land

    Navigation

    Radars:Furuno FR2135S S BandFuruno FAR2815 X Band

    Autopilot: Robertson AP9-MK3

    Gyro:IXblue Octans IIISperry MarineNavigat X Mark 2

    DGPS:Furuno SeaStar 3100Thales 3011

    DP system:Navis Nav DP 4000

    MH370 PROJECT

    ATSB FULL EQUIPMENT SEA TRIALS

    August 2014

  • S.V. John Lethbridge 08/04/2015

    Control Room SoftwareNavigation: QinsySonar acquisition: Delph Sonar, Sonar Wiz Post-processing: Sonar Wiz, Qinsy, Fledermaus, ArcGISVideo editing: Premiere ProPhoto editing: Photoshop

    HardwareDedicated temperature controlled rack room 8 Dell Precision 7910 rack workstations, Windows 7 2 HP power rack servers, Windows 2008 Server

    Video4K video recorder with double SSD drivesDVCam recorderDVR video recorder with integrated overlay systemCCTV quad recorderVideo over IP system

    Deep Ocean Search LTD - C/O Cim Corporate Services LTD - Les Cascades Building, Edith Cavell Street - Port Louis - Mauritius 4

    Communications

    AIS:Furuno FA100

    Radio:Furuno FM8000Furuno FM8500Furuno 1562

    Nav text:Furuno weather faxFuruno NX-700 ICS Nav 4

    Satcom Inmarsat:Inmarsat B Fleet55Inmarsat C Felcom 15Tx Freq. 1626.5-1660.5MHzRx Freq. 1525.0-1559.0MHz

    Satcom VSatVSat SeaSat band Ku

    Contact us

    [email protected] pictures under copyright Frederic Bassemayousse & Deep Ocean Search Limited.

    mailto:[email protected]://www.deepoceansearch.commailto:[email protected]://www.deepoceansearch.com